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Finding the Fourth Proportional to 2,799.18, 4,197.87 and 924.65

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Solution

The fourth proportional to 2,799.18, 4,197.87 and 924.65 is: 1,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.18 : 4,197.87 = 924.65 : x
  2. Step 2: Convert to fraction form
    2,799.18/4,197.87 = 924.65/x
  3. Step 3: Cross multiply
    2,799.18x = 4,197.87 × 924.65
  4. Step 4: Simplify right side
    2,799.18x = 3,881,560.50
  5. Step 5: Solve for x
    x = 3,881,560.50/2,799.18
  6. Step 6: Final answer
    x = 1,386.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.